1.并列主語:由and和both ...and連接的并列主語謂語動詞用復數。
Jim and Mary are both interested in it.吉姆和瑪麗都對此感興趣。
Both brother and sister are working in the city.兄妹倆都是在城市工作。
【提示】 當and連接的兩個的詞語指同一個人或事物時,謂語用單數。
A cart and horse was seen in the distance.遠處看見一輛馬車。
The iron and steel industry is very important to our life.
鋼鐵工業(yè)對我們的生活很重要。
2.并列謂語:謂語并列中在最后一個謂語動詞前加and。
Yesterday I went to buy some books and had dinner at a good restaurant.
昨天我去買了一些書,又在一個很好的飯店吃了晚飯。
The soldier looked at him,exchanged glances with his comrade and took out the gun.
士兵看著他,和同伴互相使了個眼色,掏出了槍。